protected unsafe void OnButton1Clicked(object sender, System.EventArgs e)
{
IntPtr ptr;
WaveNative.snd_pcm_open (out ptr, "default", WaveNative.snd_pcm_stream_t.SND_PCM_STREAM_PLAYBACK, 0);
Console.WriteLine (ptr.ToString ());
IntPtr param;
WaveNative.snd_pcm_hw_params_malloc (out param);
WaveNative.snd_pcm_hw_params_any (ptr, param);
WaveNative.snd_pcm_hw_params_set_access (ptr, param, WaveNative.snd_pcm_access_t.SND_PCM_ACCESS_RW_INTERLEAVED);
WaveNative.snd_pcm_hw_params_set_format (ptr, param, WaveNative.snd_pcm_format_t.SND_PCM_FORMAT_S16_LE);
uint srate = 44100;
WaveNative.snd_pcm_hw_params_set_rate_near (ptr, param, ref srate, null);
WaveNative.snd_pcm_hw_params_set_channels (ptr, param, 1);
WaveNative.snd_pcm_hw_params (ptr, param);
WaveNative.snd_pcm_hw_params_free (param);
WaveNative.snd_pcm_prepare (ptr);
sine_gen sg = new sine_gen (100.0 / 44100);
short[] buf = new short[4096];
fixed(short* bufp=buf) {
while (true) {
sg.generate (buf, buf.Length, 0, short.MaxValue);
WaveNative.snd_pcm_writei (ptr, bufp, (ulong)buf.Length);
}
}
}
protected unsafe void OnButton1Clicked(object sender, System.EventArgs e)
{
IntPtr ptr;
WaveNative.snd_pcm_open(out ptr, "default", WaveNative.snd_pcm_stream_t.SND_PCM_STREAM_PLAYBACK, 0);
Console.WriteLine(ptr.ToString());
IntPtr param;
WaveNative.snd_pcm_hw_params_malloc(out param);
WaveNative.snd_pcm_hw_params_any(ptr, param);
WaveNative.snd_pcm_hw_params_set_access(ptr, param, WaveNative.snd_pcm_access_t.SND_PCM_ACCESS_RW_INTERLEAVED);
WaveNative.snd_pcm_hw_params_set_format(ptr, param, WaveNative.snd_pcm_format_t.SND_PCM_FORMAT_S16_LE);
uint srate = 44100;
WaveNative.snd_pcm_hw_params_set_rate_near(ptr, param, ref srate, null);
WaveNative.snd_pcm_hw_params_set_channels(ptr, param, 1);
WaveNative.snd_pcm_hw_params(ptr, param);
WaveNative.snd_pcm_hw_params_free(param);
WaveNative.snd_pcm_prepare(ptr);
sine_gen sg = new sine_gen(100.0 / 44100);
short[] buf = new short[4096];
fixed(short *bufp = buf)
{
while (true)
{
sg.generate(buf, buf.Length, 0, short.MaxValue);
WaveNative.snd_pcm_writei(ptr, bufp, (ulong)buf.Length);
}
}
}